Commit 06515f83 authored Oct 20, 2015 by David Mosberger-Tang Committed by Mark Brown Oct 23, 2015

spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word



The DMA-slave configuration depends on the whether <= 8 or > 8 bits
are transferred per word, so we need to call
atmel_spi_dma_slave_config() with the correct value.

Signed-off-by: David Mosberger <davidm@egauge.net>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org

parent 6ff33f39

drivers/spi/spi-atmel.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -773,7 +773,8 @@ static int atmel_spi_next_xfer_dma_submit(struct spi_master *master,

		*plen = len;

		if (atmel_spi_dma_slave_config(as, &slave_config, 8))
		if (atmel_spi_dma_slave_config(as, &slave_config,
		xfer->bits_per_word))
		goto err_exit;

		/* Send both scatterlists */